Adventures of Danny Fish & Danny Rabbit

This book is about every fish or creature living in the ocean and land, would like to get their hands or fin on this elixir , better known as the fountain of youth, this elixir makes you younger, you can change into any type of fish, and be very knowledgeable, the location of the elixir is in the poisonous dead sea, no fish can breathe in the poison dead sea water, except for one fish name Alice, because Alice was born in the dead sea and drank the elixir. Many fish try to obtain the elixir but end up paying with their life. Some of Danny Fish family went hunting for the elixir treasure, Danny Fish and Danny Rabbit race to stop them from entering the poisonous dead sea, would the two Danny reach on time to save their family?